21887668

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{3631}}^1$

素因数の和:3783

約数の個数: 24

約数和(自身を含む): 42102144

約数和(自身を除く): 20214476

約数列:

[1, 2, 4, 11, 22, 44, 137, 274, 548, 1507, 3014, 3631, 6028, 7262, 14524, 39941, 79882, 159764, 497447, 994894, 1989788, 5471917, 10943834, 21887668]

約数ペア:

[(1, 21887668), (2, 10943834), (4, 5471917), (11, 1989788), (22, 994894), (44, 497447), (137, 159764), (274, 79882), (548, 39941), (1507, 14524), (3014, 7262), (3631, 6028)]